US1399951A - Method of forming disk wheels - Google Patents

Method of forming disk wheels Download PDF

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US1399951A
US1399951A US336780A US33678019A US1399951A US 1399951 A US1399951 A US 1399951A US 336780 A US336780 A US 336780A US 33678019 A US33678019 A US 33678019A US 1399951 A US1399951 A US 1399951A
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disk
annulus
metal
sheet
forming
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US336780A
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George H Forsyth
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George H Forsyth
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/26Making other particular articles wheels or the like
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49481Wheel making
    • Y10T29/49492Land wheel
    • Y10T29/49496Disc type wheel
    • Y10T29/49504Disc shaping

Description

G. H. FORSYTH.
METHOD OF FORMING DISK WHEELS.
APPLICATION msnnov. 10,1919.
1,399,951, Patented Dec. 13, 1921.
WITNESS: INVENT v 1 GEORGE H. FoRsv' XW W ATTORNEYS 9 UNITED .STATES' PATENT ole-Flea,
' GEORGE E; ronsy'rn, or cmcseo, Int-mom. i
METHOD OF FORMING DISK WHEELS.
Specification of Letters Patent.
Patented Dec. 13, 1921.
Application filed November 10, 1919. Serial m. 5,780;
T 0 all whom it may concern Be it known that I, GEORGE H. FORSYTH,.
a citizen of the United States, residing at Chicago, in the county of Cook and State of ticularly adapted to the forming of such I .wheels having a taper cross section, that is to say, progressively decreasing in thickness from the hub to the periphery.
Heretofore it has been usual to blank a disk of suitable size from a large sheet, punch a central hub orifice and then by means of a pressing die to form hub and rim flanges and dish the same more or less as may be wished. This involves a great waste of metal. Where it is desired to produce a wheel of taper cross section, it was usual to grind or mill the same at an immense labor cost and the production of an inferior open-pore disk.
It has been proposed to, take a sheet or .stri poi metal, bend it at right angles to the plane thereof to form acylinder, weld the ends together, and then expand one end of the cylinder by rolling to gradually change the cylinder to. disk form, thus at the same time producing by the rolling action a re duction in thickness of the expanded edge and'a resultant taper cross section. method necessitated a number of successive operations, as the rolling expansion or stretching of the metal after welding is exceedingly difficult to effect without a rupture of the weld.
By my improved method, a. reversal ofthe procedure last referred to, the sheet is bent in the plane thereof to a disk form by rolling and thus expanding one edge of the sheet and, if desired, concurrently turning; over each edge to form hub and mm flanges, then welding the adjacent edges and, if found then desirable, subjecting to a truing die.-
' section, and with no dangerof breaking the weld.
In order that the I may be more readily comprehended, I have,
This
method thus outlined a in the inclosed drawing, illustrated "diagrammatically the'several steps of the operation. The drawing is not to be understood as illustrating the best form of apparatus for carrying out the method which is not de endentin any, way upon the particular orm of mechanism employed.
In the drawing- Figure 1. is a side elevation of the disk partially formed;
Fig. 2 is a conventionalized end view-of I Fig. 1;-
Fig. 3
signed to render the same slightly dished or concavo convex; I
.Fig. 5 is a modified form of disk in the shape of an incomplete annulus;
v Fig. I 5' represents the i disk of dished disk or one'of conicular form; and
Fig. 7 illustrates the last mentioned disk associated with a truing die. j I 1 Having reference to the drawings for exemplification, a sheet 11 of suitable cross section of strip form is passed between the rollers 12 whereby one edgeof the same is expanded so as to produce a taper cross section as indicated at 11. In order to produce a 15 is arranged to bear upon one edge of the illustrates the disk after forming a ready for welding;
sheet and the roller 16 upon, the opposite.
edge. The passing of the sheet between the rollers 12-12 and the consequent stretchin of one edge thereof results in the bending o the sheet in its plane to form a disk 17, as will be readily understood. If the metal is chosen of a length to form the complete disk the result will be that shown in'Fig. 3, whereas if the metal is of'slightly less length it will be that shown in Fi 5.' In the former case the two edges 17 a an 17 are in juxtaposition and approximately in contact as illustrated in 'Fig. 3; in the latter case, the edges 17 a and 17". are more widely spaced apart as utilized in the shape as shown or placed in a es fFisl3rbein forming die as illustrated insaid figure and 7 brought to a concavo-convex or slightly fdishedform'.
The edges 17 and 17" of Flg. '5.be1ngwelded, the'result is a disk concavo-convexv or dish form such as is shown in Figs. 6 and 7 which by means of the die shown in the latter figure only requires truing to overcome any slight inaccuracies.
It will be observed that by my improved method, the sheet 11 of uniform cross section is in one continuous operation formed into an annulus of taper cross section and with or without hub and rim flanges as may be desired. The disk is thus completely formed and tapered in cross section prior to welding whereby any danger of breaking of the weld is obviated. The operation is an exceedingly, inexpensive one. There is l practically no waste of metal. The result ant disk is accurately formed and without any breaking down of the metal structure as results from the prior art method. o,
While I have shown the disk rolled into 2 the flat and then, formed into the shape desired as by dies, it must be obvious that the rolls could themselves be so formed.
upon their bearing surfaces as to form the metal vdisk into final shape, or the disk could 2 be formed into the final shape desired by another set of rolls instead of the dies shown. In other words, the disk might be formed into substantially its final shape during the producing of the disk and before welding,
89 or could be formed into its final shape after welding. P
'While I have referred to the metal from which the disk is formed as a sheet, it must be evident that the same might be a strip 85 or bar of any suitable dimensions, and it must also be evident that the disk could be' formed into any desired cross section,
either before or after welding, and by any suitable meansfor this purpose without los- 40 ing the advantage already mentioned of producing a disk of whatever form with the least possible waste of material.
I claim: 1. The method of forming disk Wheels from sheets of metal which consists in bending the sheet in the plane thereof to form an annulus and simultaneously to cause progressive expansion of the same toward the periphery whereby to taper the cross section. 2. The method of forming disk wheels from sheets of metal which consists in bending the sheet in the plane thereof to form an approximately flat annulus and thereafter welding the adjacent ends of the annulus. 3. The method of forming disk wheels of taper cross section from sheets of metal of uniform gage which consists in bending the 6 sheet in the plane thereof ,to form an approximotely fiat annulus and to cause pro- 'gressive expansion .of the same toward the periphery whereby to. taper the cross section, and then welding the adjacent ends 65 of the annulus.
4. The method of forming disk wheels of taper cross section-from sheets of metal of uniform gage which consists in bending the sheet in the plane thereof to form an approximately flat annulus and to cause progressive expansion ofthe'same toward the -periphery whereby to taper the cross section, and in the same continuous operation laterally ,bending the edges of the sheet to form hub and rim flanges, and then welding the adjacent ends of the annulus.
-5. The method of forming disk wheels of taper cross section from sheets of metal of uniform gage which consists in bending the sheet in the iplane thereofto form an approximately at annulus and to cause progressive expansion of the same toward the periphery whereby to taper the cross section, and in the same continuous operation laterally bending the edges of the sheet to form hub and' rim flanges, and then welding the adjacent ends of the annulus and finally (siubjecting. the disk to a j-truingandshaping 6. The method of formingdished disk Wheels from metal strips which consists in bending a strip substantially in the plane thereof to form an annulus. having a segment gap and welding the adjacent ends oftheannulns to form a dished disk.
7. The method of forming disk wheels from metal strips which consists in bending a strip into an annulus and in the same continuous operation forming the central and peripheral portions of said disk into any desired shape relative to the plane of the annulus. I v
8. The method of forming disk wheels from metal stri s which consists inbending a strip substantially in the plane'thereof to form an ahnulus then welding the adjacent ends of the annulus, and finally subjecting the disk to a forming'die to vary the plane thereof. v I v 9. A method of forming disk wheels from strips of sheet metal which consistsin bending the sheetin the plane thereof to form an annulus of the desired contour and thereafter joining the adjacent ends of the annulus. (1 v 10. A method of forming dished disks from a fiat strip of metal which consists in bending the same and joining the adjacent ends to form an annulus and then subjecting concentric portions of the metal to deforming stress whereby to vary the original contour of the annulus. I
In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.
" GEORGE FoRsrTHy Witnesses: i I I FRANCES K.' .GILLEsPIE, RAY OND I1. GREIsT.
US336780A 1919-11-10 1919-11-10 Method of forming disk wheels Expired - Lifetime US1399951A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606517A (en) * 1949-08-31 1952-08-12 Gen Motors Corp Process for making fenders
US2922324A (en) * 1956-11-07 1960-01-26 Anemostat Corp America Machine for curving strip material
US3073021A (en) * 1956-06-06 1963-01-15 Maurice W Goodwill Method of forming modular frameless roof construction
US3220285A (en) * 1961-05-04 1965-11-30 Philips Corp Method of manufacturing metal discs
EP1473097A1 (en) * 2003-04-30 2004-11-03 Michelin Kronprinz Werke GmbH Method of forming disk wheels

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606517A (en) * 1949-08-31 1952-08-12 Gen Motors Corp Process for making fenders
US3073021A (en) * 1956-06-06 1963-01-15 Maurice W Goodwill Method of forming modular frameless roof construction
US2922324A (en) * 1956-11-07 1960-01-26 Anemostat Corp America Machine for curving strip material
US3220285A (en) * 1961-05-04 1965-11-30 Philips Corp Method of manufacturing metal discs
EP1473097A1 (en) * 2003-04-30 2004-11-03 Michelin Kronprinz Werke GmbH Method of forming disk wheels
DE10320688B3 (en) * 2003-04-30 2005-01-20 Michelin Kronprinz Werke Gmbh Method for producing wheeled dishes

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